/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/Widgets/SNiagaraParameterPanel.h
const [FGuid](API\Runtime\Core\Misc\FGuid) & OnGetKeyForCategory ( const [FNiagaraParameterPanelCategory](API\Plugins\NiagaraEditor\FNiagaraParameterPanelCategory) & Category ) const